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Finding the Third Proportional to 9,311,318 and 20,045,690

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Solution

The third proportional to 9,311,318 and 20,045,690 is: 43,154,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311,318 : 20,045,690 = 20,045,690 : x
  2. Step 2: Convert to fraction form
    9,311,318/20,045,690 = 20,045,690/x
  3. Step 3: Cross multiply
    9,311,318x = 20,045,690 × 20,045,690
  4. Step 4: Simplify right side
    9,311,318x = 401,829,687,576,100
  5. Step 5: Solve for x
    x = 401,829,687,576,100/9,311,318
  6. Step 6: Final answer
    x = 43,154,974.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.